[bug] macos: WAL backlog triggers db_wedge relaunch loop on large db (63GB) and macos: unsigned mlx.metallib breaks codesign, causes repeated keychain prompts

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describe the bug brief description of the bug.

please click the "send logs" button in the help section of the app (don't share the link here, we'll receive the logs)

system info

• os: [e.g. macos 10.15.7, windows 10, ubuntu 20.04]
• screenpipe version: [e.g. 1.2.3]

additional context add any other context, screenshots, or error logs here.

• you can find logs in ~/.screenpipe on macOS/Linux, and %APPDATA%\.screenpipe on Windows.
• you can get app logs by right clicking in the app background and clicking the console tab.